The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage systems performance with various transfer sizes and test lengths for reads and writes. Several options are available to customize your performance measurement including queue depth, overlapped I/O and even a comparison mode with the option to run continuously.
Samsung quote Sequential read/write figures for the 500GB drive as up 540MB/s and 520MB/s respectively. Under the ATTO benchmark, we managed to squeeze a little more out the drive with a read figure of 551MB/s and writes at 527MB/s.